code: def _read_file(path, name, suffix):
      full_fname = os.path.join(path, "ind.{}.{}".format(name, suffix))
      if suffix == "test.index":
          return np.loadtxt(full_fname)
  
      return load_binary(full_fname)
  
imports: import os
  import os.path
  import networkx
  import numpy
  import requests
  import scipy.sparse
  from sklearn.model_selection import train_test_split
  from spektral.data import Dataset, Graph
  from spektral.datasets.utils import DATASET_FOLDER
  from spektral.utils.io import load_binary
label_desc: Use image node_id 1 for calling a global function with example usage: _read_file(path, name, suffix) and returns: load_binary, np